Calculus is, in short, hardened plaque. You're probably familiar with plaque, the sticky film that can make your teeth feel ...

Calculus allows more plaque to rapidly colonise the tooth surface. This causes gum irritation and leads to an inflammatory condition called gingivitis. Persistent bad breath, known as halitosis ...

The team identified milk protein entombed in calcified dental plaque (calculus) on the teeth of prehistoric farmers from Britain. It shows that humans were consuming dairy products as early as ...